The system of Classes of Service (COS) helps defining rights for one or another extension in the PBX or Centrex systems. For example, few groups require more space for storing voice messages, while other need the redirection of calls to cell phones, the third does not have to make calls outside of the office network. With the help of this system one can change and configure settings.
The Naturalvoice solution allows that corporations use a net IP (new or already existing) for creation of net of private telephony. Thus, in same net IP where its company already transmits given, will be able to also transmit voice and fax of safe and tru
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